C31232233133313221211113313331333132313331322121111331313331323223322331311121   >>    C3123223313331322121111331333133313231333132212111133131333132322332233131112   <<    C31232233133313221211113313331333132313331322121111331313331323223322331311123   >>      C31232233133313221211113313331333132313331322121111331313331323223322331311122   >>