C2221333133313331311233132313331333133313331323212213231311211321   >>    C222133313331333131123313231333133313331333132321221323131121132   <<    C2221333133313331311233132313331333133313331323212213231311211323   >>      C2221333133313331311233132313331333133313331323212213231311211322   >>