C22212323232133313113313331333132313331323132213231312112222332321   >>    C2221232323213331311331333133313231333132313221323131211222233232   <<    C22212323232133313113313331333132313331323132213231312112222332323   >>      C22212323232133313113313331333132313331323132213231312112222332322   >>