C312322331333132212111133133313331323133313221211111211111231131   >>    C31232233133313221211113313331333132313331322121111121111123113   <<    C312322331333132212111133133313331323133313221211111211111231133   >>      C312322331333132212111133133313331323133313221211111211111231132   >>