C3123223313331322121111331333133313231333132212111133231333122321   >>    C312322331333132212111133133313331323133313221211113323133312232   <<    C3123223313331322121111331333133313231333132212111133231333122323   >>      C3123223313331322121111331333133313231333132212111133231333122322   >>