Method checkEp1

app/src/main/java/solver/RTower.java:77–83

(int[] arr)

    }

    private static boolean checkEp1(int[] arr) {
        if (arr[0] != 0) return false;
        for (int i = 1; i < 4; i++) {
            if (arr[i] + arr[7 - i] != 7) return false;
        }
        return true;
    }

    private static int getMi(int ep) {
        int[] arr = new int[7];