C31232233133313221211113313331333131333132313331323223313112122321   >>    C3123223313331322121111331333133313133313231333132322331311212232   <<    C31232233133313221211113313331333131333132313331323223313112122323   >>      C31232233133313221211113313331333131333132313331323223313112122322   >>