C312322331333132212111133133313331333133312121111331333133321232233133322332321   >>    C31232233133313221211113313331333133313331212111133133313332123223313332233232   <<    C312322331333132212111133133313331333133312121111331333133321232233133322332323   >>      C312322331333132212111133133313331333133312121111331333133321232233133322332322   >>