C3123223313331322121111331333133313231333132212111133132313233322331333222221   >>    C312322331333132212111133133313331323133313221211113313231323332233133322222   <<    C3123223313331322121111331333133313231333132212111133132313233322331333222223   >>      C3123223313331322121111331333133313231333132212111133132313233322331333222222   >>