C3123223313331322121111331333133313231333132212113313331333133112213133221   >>    C312322331333132212111133133313331323133313221211331333133313311221313322   <<    C3123223313331322121111331333133313231333132212113313331333133112213133223   >>      C3123223313331322121111331333133313231333132212113313331333133112213133222   >>