C3123223313331322121111331333133313231333132212111112113313231311332221   >>    C312322331333132212111133133313331323133313221211111211331323131133222   <<    C3123223313331322121111331333133313231333132212111112113313231311332223   >>      C3123223313331322121111331333133313231333132212111112113313231311332222   >>