C31232233133313221211113313331311331333133313331323131121132321   >>    C3123223313331322121111331333131133133313331333132313112113232   <<    C31232233133313221211113313331311331333133313331323131121132323   >>      C31232233133313221211113313331311331333133313331323131121132322   >>