C222123232321333131133133313331323133313231333131331131331323121321   >>    C22212323232133313113313331333132313331323133313133113133132312132   <<    C222123232321333131133133313331323133313231333131331131331323121323   >>      C222123232321333131133133313331323133313231333131331131331323121322   >>