C222123232321333131133133313331323133313231313231312222322331121   >>    C22212323232133313113313331333132313331323131323131222232233112   <<    C222123232321333131133133313331323133313231313231312222322331123   >>      C222123232321333131133133313331323133313231313231312222322331122   >>