C22212323232133313113313331333132313331323132213231312112233311321   >>    C2221232323213331311331333133313231333132313221323131211223331132   <<    C22212323232133313113313331333132313331323132213231312112233311323   >>      C22212323232133313113313331333132313331323132213231312112233311322   >>