C111123313121111121111331333132313331323133313331211111333132213221   >>    C11112331312111112111133133313231333132313331333121111133313221322   <<    C111123313121111121111331333132313331323133313331211111333132213223   >>      C111123313121111121111331333132313331323133313331211111333132213222   >>