C1111133313331323223313331333133313113313231333132212111111322321   >>    C111113331333132322331333133313331311331323133313221211111132232   <<    C1111133313331323223313331333133313113313231333132212111111322323   >>      C1111133313331323223313331333133313113313231333132212111111322322   >>