C312322331333132212111133133313331323133313221211111211331123221   >>    C31232233133313221211113313331333132313331322121111121133112322   <<    C312322331333132212111133133313331323133313221211111211331123223   >>      C312322331333132212111133133313331323133313221211111211331123222   >>