C111113331333132322331333133313331333133313121111331331123221231   >>    C11111333133313232233133313331333133313331312111133133112322123   <<    C111113331333132322331333133313331333133313121111331331123221233   >>      C111113331333132322331333133313331333133313121111331331123221232   >>