C312322331333132212111133133313331333133312121111331323221333131333122321   >>    C31232233133313221211113313331333133313331212111133132322133313133312232   <<    C312322331333132212111133133313331333133312121111331323221333131333122323   >>      C312322331333132212111133133313331333133312121111331323221333131333122322   >>