C312322331333132212111133133313331333133312121111331333131111233321   >>    C31232233133313221211113313331333133313331212111133133313111123332   <<    C312322331333132212111133133313331333133312121111331333131111233323   >>      C312322331333132212111133133313331333133312121111331333131111233322   >>