C111123313121111121111331323133313331333132322121111112113313232332133112111   >>    C11112331312111112111133132313331333133313232212111111211331323233213311211   <<    C111123313121111121111331323133313331333132322121111112113313232332133112113   >>      C111123313121111121111331323133313331333132322121111112113313232332133112112   >>