C312322331333132212111133133313331333133312121111121111133313112212222321   >>    C31232233133313221211113313331333133313331212111112111113331311221222232   <<    C312322331333132212111133133313331333133312121111121111133313112212222323   >>      C312322331333132212111133133313331333133312121111121111133313112212222322   >>