C111123313121111121111331323133313331333132322121111132322331211   >>    C11112331312111112111133132313331333133313232212111113232233121   <<    C111123313121111121111331323133313331333132322121111132322331213   >>      C111123313121111121111331323133313331333132322121111132322331212   >>