C3123223313331322121111331333133313231333132212111111221123231323131323221   >>    C312322331333132212111133133313331323133313221211111122112323132313132322   <<    C3123223313331322121111331333133313231333132212111111221123231323131323223   >>      C3123223313331322121111331333133313231333132212111111221123231323131323222   >>